Home / 331,106.10-496,313.55-181,115.70

Finding the Fourth Proportional to 331,106.10, 496,313.55 and 181,115.70

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Solution

The fourth proportional to 331,106.10, 496,313.55 and 181,115.70 is: 271,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,106.10 : 496,313.55 = 181,115.70 : x
  2. Step 2: Convert to fraction form
    331,106.10/496,313.55 = 181,115.70/x
  3. Step 3: Cross multiply
    331,106.10x = 496,313.55 × 181,115.70
  4. Step 4: Simplify right side
    331,106.10x = 89,890,176,027.74
  5. Step 5: Solve for x
    x = 89,890,176,027.74/331,106.10
  6. Step 6: Final answer
    x = 271,484.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.